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Finding the Fourth Proportional to 557,753.01, 769,699.11 and 303,104.19

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Solution

The fourth proportional to 557,753.01, 769,699.11 and 303,104.19 is: 418,283.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,753.01 : 769,699.11 = 303,104.19 : x
  2. Step 2: Convert to fraction form
    557,753.01/769,699.11 = 303,104.19/x
  3. Step 3: Cross multiply
    557,753.01x = 769,699.11 × 303,104.19
  4. Step 4: Simplify right side
    557,753.01x = 233,299,025,280.27
  5. Step 5: Solve for x
    x = 233,299,025,280.27/557,753.01
  6. Step 6: Final answer
    x = 418,283.76

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.